I won’t tolerate if the new helper doesn’t listen to employer or household members.
I know helpers will direct report to the employer if anything.
Are you the employer of the new helper ?
If yes, she should listen n report to you.
Since she report to in law.
I would suggest have a discussion with in law n the new helper together. Let in law know that new helper must report to you about baby’s routine n everything . Also about quarrel issue, let your in law knows without any helpers there. Let them know how u feel.
Do you have cctv recording? If possible, record every of their convo. Have evidence.
I’m sure new helper is scared of you. Cos she jz started. Maybe can try to communicate her more 1-1 if she’s your helper.
I have a helper too. I told her in the beginning , do not trust or listen to neighbours maids or gossips around. Once you get close, they even will borrow money from you n such. Indeed, she went to buy prepaid card, she report to me that some maid ask her for money in the store. I also told her, I respect you , you also do the same. Everything if you don’t know, just ask me first. If you do something wrong, you admit I’m ok. Don’t secretly do things behind me. ( first year I always have discussions with her )